[INFO] fetching crate levitate 0.1.2...
[INFO] testing levitate-0.1.2 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate levitate 0.1.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate levitate 0.1.2
[INFO] finished tweaking crates.io crate levitate 0.1.2
[INFO] tweaked toml for crates.io crate levitate 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate levitate 0.1.2 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5594e0c3e452f1029e48adf4cb831967f02b81f172453b6682a171530335eadd
[INFO] running `Command { std: "docker" "start" "-a" "5594e0c3e452f1029e48adf4cb831967f02b81f172453b6682a171530335eadd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5594e0c3e452f1029e48adf4cb831967f02b81f172453b6682a171530335eadd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5594e0c3e452f1029e48adf4cb831967f02b81f172453b6682a171530335eadd", kill_on_drop: false }`
[INFO] [stdout] 5594e0c3e452f1029e48adf4cb831967f02b81f172453b6682a171530335eadd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffa0ca26cd2b695446b946678800b18d15574de30ca03c646434062346a69659
[INFO] running `Command { std: "docker" "start" "-a" "ffa0ca26cd2b695446b946678800b18d15574de30ca03c646434062346a69659", kill_on_drop: false }`
[INFO] [stderr]    Compiling levitate v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find attribute `const_trait` in this scope
[INFO] [stdout]   --> src/lib.rs:53:3
[INFO] [stdout]    |
[INFO] [stdout] 53 | #[const_trait]
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `const_trait` in this scope
[INFO] [stdout]   --> src/lib.rs:56:3
[INFO] [stdout]    |
[INFO] [stdout] 56 | #[const_trait]
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]   --> src/lib.rs:24:30
[INFO] [stdout]    |
[INFO] [stdout] 24 | #![feature(const_trait_impl, core_intrinsics)]
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using it is strongly discouraged
[INFO] [stdout]    = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable const library feature `const_convert`
[INFO] [stdout]   --> src/fast_floats.rs:40:15
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl<F> const Deref for Fast<F> {
[INFO] [stdout]    |               ^^^^^ trait is not stable as const yet
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #143773 <https://github.com/rust-lang/rust/issues/143773> for more information
[INFO] [stdout]    = help: add `#![feature(const_convert)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-03-22; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `FloatWrapper` which is not `const`
[INFO] [stdout]    --> src/lib.rs:106:20
[INFO] [stdout]     |
[INFO] [stdout] 106 |         impl const FloatWrapper for $t {
[INFO] [stdout]     |                    ^^^^^^^^^^^^ this trait is not `const`
[INFO] [stdout] ...
[INFO] [stdout] 146 | def_primitive!(f32);
[INFO] [stdout]     | ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `const` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout]     = note: this error originates in the macro `def_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: mark `FloatWrapper` as `const` to allow it to have `const` implementations
[INFO] [stdout]     |
[INFO] [stdout]  57 | pub const trait FloatWrapper {
[INFO] [stdout]     |     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `FloatWrapper` which is not `const`
[INFO] [stdout]    --> src/lib.rs:106:20
[INFO] [stdout]     |
[INFO] [stdout] 106 |         impl const FloatWrapper for $t {
[INFO] [stdout]     |                    ^^^^^^^^^^^^ this trait is not `const`
[INFO] [stdout] ...
[INFO] [stdout] 147 | def_primitive!(f64);
[INFO] [stdout]     | ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `const` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout]     = note: this error originates in the macro `def_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: mark `FloatWrapper` as `const` to allow it to have `const` implementations
[INFO] [stdout]     |
[INFO] [stdout]  57 | pub const trait FloatWrapper {
[INFO] [stdout]     |     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `FloatWrapper` which is not `const`
[INFO] [stdout]    --> src/lib.rs:158:24
[INFO] [stdout]     |
[INFO] [stdout] 158 |             impl const FloatWrapper for Fast<$t> {
[INFO] [stdout]     |                        ^^^^^^^^^^^^ this trait is not `const`
[INFO] [stdout] ...
[INFO] [stdout] 196 |     def_fast_primitive!(f32);
[INFO] [stdout]     |     ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `const` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout]     = note: this error originates in the macro `def_fast_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: mark `FloatWrapper` as `const` to allow it to have `const` implementations
[INFO] [stdout]     |
[INFO] [stdout]  57 | pub const trait FloatWrapper {
[INFO] [stdout]     |     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `FloatWrapper` which is not `const`
[INFO] [stdout]    --> src/lib.rs:158:24
[INFO] [stdout]     |
[INFO] [stdout] 158 |             impl const FloatWrapper for Fast<$t> {
[INFO] [stdout]     |                        ^^^^^^^^^^^^ this trait is not `const`
[INFO] [stdout] ...
[INFO] [stdout] 197 |     def_fast_primitive!(f64);
[INFO] [stdout]     |     ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `const` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout]     = note: this error originates in the macro `def_fast_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: mark `FloatWrapper` as `const` to allow it to have `const` implementations
[INFO] [stdout]     |
[INFO] [stdout]  57 | pub const trait FloatWrapper {
[INFO] [stdout]     |     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `PrimitiveFloat` which is not `const`
[INFO] [stdout]    --> src/lib.rs:125:20
[INFO] [stdout]     |
[INFO] [stdout] 125 |         impl const PrimitiveFloat for $t {}
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^ this trait is not `const`
[INFO] [stdout] ...
[INFO] [stdout] 146 | def_primitive!(f32);
[INFO] [stdout]     | ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `const` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout]     = note: this error originates in the macro `def_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: mark `PrimitiveFloat` as `const` to allow it to have `const` implementations
[INFO] [stdout]     |
[INFO] [stdout]  54 | pub const trait PrimitiveFloat: Float + FloatWrapper<InnerFloat = Self> {}
[INFO] [stdout]     |     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `PrimitiveFloat` which is not `const`
[INFO] [stdout]    --> src/lib.rs:125:20
[INFO] [stdout]     |
[INFO] [stdout] 125 |         impl const PrimitiveFloat for $t {}
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^ this trait is not `const`
[INFO] [stdout] ...
[INFO] [stdout] 147 | def_primitive!(f64);
[INFO] [stdout]     | ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `const` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout]     = note: this error originates in the macro `def_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: mark `PrimitiveFloat` as `const` to allow it to have `const` implementations
[INFO] [stdout]     |
[INFO] [stdout]  54 | pub const trait PrimitiveFloat: Float + FloatWrapper<InnerFloat = Self> {}
[INFO] [stdout]     |     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `std::ops::Deref` is not yet stable as a const trait
[INFO] [stdout]    --> src/lib.rs:168:21
[INFO] [stdout]     |
[INFO] [stdout] 168 |                     *self
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 196 |     def_fast_primitive!(f32);
[INFO] [stdout]     |     ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `def_fast_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add `#![feature(const_convert)]` to the crate attributes to enable
[INFO] [stdout]     |
[INFO] [stdout]  26 + #![feature(const_convert)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `std::ops::Deref` is not yet stable as a const trait
[INFO] [stdout]    --> src/lib.rs:168:21
[INFO] [stdout]     |
[INFO] [stdout] 168 |                     *self
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 197 |     def_fast_primitive!(f64);
[INFO] [stdout]     |     ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `def_fast_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add `#![feature(const_convert)]` to the crate attributes to enable
[INFO] [stdout]     |
[INFO] [stdout]  26 + #![feature(const_convert)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `levitate` (lib) due to 11 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "ffa0ca26cd2b695446b946678800b18d15574de30ca03c646434062346a69659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffa0ca26cd2b695446b946678800b18d15574de30ca03c646434062346a69659", kill_on_drop: false }`
[INFO] [stdout] ffa0ca26cd2b695446b946678800b18d15574de30ca03c646434062346a69659